| File name: | letsvpn-latest.exe |
| Full analysis: | https://app.any.run/tasks/c1906a86-3fb0-4e70-9ae7-000621a9ae26 |
| Verdict: | Malicious activity |
| Analysis date: | May 31, 2025, 20:24:59 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (GUI) x86-64, for MS Windows, 6 sections |
| MD5: | 2939BBD79EB890F2E55A8BA9E541672B |
| SHA1: | FD7D8577D46391A8198F5CCD382CC177267CA7BB |
| SHA256: | 7FEBAB9593FFB7D1CD0A36F1B6029C0A7D3695664595D5693D787AE774C1B3D0 |
| SSDEEP: | 196608:c/PFu0fVmKbOkOisgbxI1VfVOuWIzU1K2zZaw:YI0ftbOkOPgb6dOXSUFZD |
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2012:06:14 16:16:12+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 10 |
| CodeSize: | 25088 |
| InitializedDataSize: | 49664 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2d1c |
| OSVersion: | 5.2 |
| ImageVersion: | - |
| SubsystemVersion: | 5.2 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 9.1.0.0 |
| ProductVersionNumber: | 9.1.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | Private build |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| Comments: | Created with Setup Factory |
| FileDescription: | Setup Application |
| FileVersion: | 9.1.0.0 |
| InternalName: | suf_launch |
| LegalCopyright: | Setup Engine Copyright © 2004-2012 Indigo Rose Corporation |
| LegalTrademarks: | Setup Factory is a trademark of Indigo Rose Corporation. |
| OriginalFileName: | suf_launch.exe |
| ProductName: | Setup Factory Runtime |
| ProductVersion: | 9.1.0.0 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 132 | "C:\Users\admin\AppData\Roaming\..\Local\7z.exe" x -pmiyao123 -o"C:\Users\admin\AppData\Roaming\..\Local\AppData" "C:\Users\admin\AppData\Roaming\..\Local\7z.7z" "EduWebContainer.dll" -y | C:\Users\admin\AppData\Local\7z.exe | irsetup.exe | ||||||||||||
User: admin Company: Igor Pavlov Integrity Level: HIGH Description: 7-Zip Console Exit code: 0 Version: 24.09 Modules
| |||||||||||||||
| 208 | cmd /c netsh advfirewall firewall Delete rule name=lets.exe | C:\Windows\SysWOW64\cmd.exe | — | LetsVPN.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 644 | netsh advfirewall firewall Delete rule name=lets.exe | C:\Windows\SysWOW64\netsh.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Network Command Shell Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1128 | "C:\Program Files (x86)\letsvpn\LetsPRO.exe" checkNetFramework | C:\Program Files (x86)\letsvpn\LetsPRO.exe | — | LetsVPN.exe | |||||||||||
User: admin Integrity Level: HIGH Description: LetsVPN Exit code: 0 Version: 3.12.0 Modules
| |||||||||||||||
| 1472 | "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Get-Process ([IO.Path]::GetFileNameWithoutExtension(\"360tray.exe\")); | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | irsetup.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1532 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1672 | "C:\Users\admin\AppData\Local\AppData\iusb3mon.exe" | C:\Users\admin\AppData\Local\AppData\iusb3mon.exe | irsetup.exe | ||||||||||||
User: admin Company: 腾讯科技(深圳)有限公司 Integrity Level: HIGH Description: 腾讯课堂 Version: 4, 6, 1, 2 Modules
| |||||||||||||||
| 1760 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2104 | "C:\Program Files\Your Product\LetsVPN.exe" | C:\Program Files\Your Product\LetsVPN.exe | irsetup.exe | ||||||||||||
User: admin Company: Letsgo Network Incorporated Integrity Level: HIGH Description: LetsVPN Setup EXE Exit code: 0 Version: 3.12.0.0 Modules
| |||||||||||||||
| 2240 | cmd /c netsh advfirewall firewall Delete rule name=LetsVPN | C:\Windows\SysWOW64\cmd.exe | — | LetsVPN.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (1672) iusb3mon.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicrosoftUSBMonitor |
Value: C:\Users\admin\AppData\Local\AppData\iusb3mon.exe | |||
| (PID) Process: | (1672) iusb3mon.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | MicrosoftUSBMonitor |
Value: C:\Users\admin\AppData\Local\AppData\iusb3mon.exe | |||
| (PID) Process: | (5116) SecEdit.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\SecEdit |
| Operation: | delete value | Name: | LastWinlogonConfig |
Value: | |||
| (PID) Process: | (2104) LetsVPN.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\lets |
| Operation: | write | Name: | InstallTimeStamp |
Value: 20250531202542.232 | |||
| (PID) Process: | (2104) LetsVPN.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\lets |
| Operation: | write | Name: | InstallNewVersion |
Value: 3.12.0 | |||
| (PID) Process: | (7288) ShellExperienceHost.exe | Key: | \REGISTRY\A\{4656478a-9af1-6fb2-c8f0-4bbb70d4c368}\LocalState |
| Operation: | write | Name: | PeekBadges |
Value: 5B005D000000490168316AD2DB01 | |||
| (PID) Process: | (1672) iusb3mon.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System |
| Operation: | write | Name: | ConsentPromptBehaviorAdmin |
Value: 0 | |||
| (PID) Process: | (1672) iusb3mon.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System |
| Operation: | write | Name: | EnableLUA |
Value: 0 | |||
| (PID) Process: | (1672) iusb3mon.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System |
| Operation: | write | Name: | PromptOnSecureDesktop |
Value: 0 | |||
| (PID) Process: | (1672) iusb3mon.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System |
| Operation: | write | Name: | DisableLockWorkstation |
Value: 0 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2772 | letsvpn-latest.exe | C:\Users\admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe | executable | |
MD5:2A7D5F8D3FB4AB753B226FD88D31453B | SHA256:879109AE311E9B88F930CE1C659F29EC0E338687004318661E604D0D3727E3CF | |||
| 3884 | irsetup.exe | C:\Users\admin\AppData\Local\Temp\_ir_sf_temp_0\IRIMG1.JPG | image | |
MD5:3220A6AEFB4FC719CC8849F060859169 | SHA256:988CF422CBF400D41C48FBE491B425A827A1B70691F483679C1DF02FB9352765 | |||
| 7496 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_w02ze22m.b1s.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 3884 | irsetup.exe | C:\Users\admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.dat | binary | |
MD5:64A19AFB2CB92B3F8F613A5216378B1D | SHA256:716A90B8CD2F37CC326B4F0A05E0046449AC48A2E29C24F1E87D26AE91A842D8 | |||
| 2772 | letsvpn-latest.exe | C:\Users\admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll | executable | |
MD5:958103E55C74427E5C66D7E18F3BF237 | SHA256:3EA4A4C3C6DEA44D8917B342E93D653F59D93E1F552ACE16E97E43BB04E951D8 | |||
| 7496 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_0atq4t3e.rzp.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 1472 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_4zueqc5a.ed0.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 7496 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | binary | |
MD5:21B910915BD783A33C4D9ED03A4FAB90 | SHA256:4AE8317DFBDB04BC743BD29C8D2EA56E69A39CC7FE7D5E6EE94262FBB30D6C00 | |||
| 7444 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_ilk1bf4l.tsw.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 7852 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_zgtyttma.u3n.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 2.16.168.124:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5400 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
5400 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
4728 | LetsPRO.exe | GET | 101 | 3.0.106.226:80 | http://ws-ap1.pusher.com/app/4fc436ef36f4026102d7?protocol=5&client=pusher-dotnet-client&version=1.1.2 | unknown | — | — | whitelisted |
4728 | LetsPRO.exe | GET | 200 | 104.18.21.226:80 | http://ocsp.globalsign.com/codesigningrootr45/MFIwUDBOMEwwSjAJBgUrDgMCGgUABBQVFZP5vqhCrtRN5SWf40Rn6NM1IAQUHwC%2FRoAK%2FHg5t6W0Q9lWULvOljsCEQCBTkIXoSl%2F7VrM1Bf4ka11 | unknown | — | — | whitelisted |
4728 | LetsPRO.exe | GET | 200 | 104.18.21.226:80 | http://ocsp.globalsign.com/gsgccr45codesignca2020/ME0wSzBJMEcwRTAJBgUrDgMCGgUABBTLuA3ygnKW%2F7xuSx%2F09F%2BhHVuEUQQU2rONwCSQo2t30wygWd0hZ2R2C3gCDFxLOsCV0WoYXJJrOQ%3D%3D | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
5408 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1660 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5496 | MoUsoCoreWorker.exe | 2.16.168.124:80 | crl.microsoft.com | Akamai International B.V. | RU | whitelisted |
5496 | MoUsoCoreWorker.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5408 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 20.190.159.64:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
littleblackbeae.com |
| unknown |
PID | Process | Class | Message |
|---|---|---|---|
4728 | LetsPRO.exe | Not Suspicious Traffic | INFO [ANY.RUN] Websocket Upgrade Request |